/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2023 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "rtc.h"
#include "gpio.h"
#include "fsmc.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "lcd.h"
#include "Key.h"
#include <stdio.h>
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */

/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
void RTC_SaveToBKP();

void RTC_ReadBKP();
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_FSMC_Init();
  MX_RTC_Init();
  /* USER CODE BEGIN 2 */
  lcd_init();
  __HAL_RTC_WAKEUPTIMER_ENABLE(&hrtc);
  lcd_show_str(10, 0, 16, "11_Demo:RTC_Tamper and TimeStap", RED);
  lcd_show_str(10, 20, 16, "Please connect PE2 and PC12 by line", RED);
  lcd_show_str(10, 40, 16, "Key2 simulate Trigger tamper event", RED);

  lcd_show_str(10, 100, 16, "[KeyUP]:Save RTC Time to BKP", RED);
  lcd_show_str(10, 120, 16, "[Key1]:Read RTC Time from BKP", RED);
  lcd_show_str(10, 140, 16, "[Key2]:Trigger tamper event", RED);
  __HAL_RTC_WAKEUPTIMER_DISABLE(&hrtc);
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
		Keys_t CurKey = ScanKeyPress(Key_Always_Perss);
		lcd_fill(10, 180, 350, 280, WHITE);
		switch (CurKey) {
		case Key_UP:
			RTC_SaveToBKP();
			break;
		case Key1:
			RTC_ReadBKP();
			break;
		default:
			break;
		}
		HAL_Delay(200);
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};

  /** Configure the main internal regulator output voltage
  */
  __HAL_RCC_PWR_CLK_ENABLE();
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE|RCC_OSCILLATORTYPE_LSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 4;
  RCC_OscInitStruct.PLL.PLLN = 168;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 4;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
  PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */
void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc){
	RTC_TimeTypeDef stime;
	RTC_DateTypeDef sdate;
	char str[40];
	if (HAL_RTC_GetTime(hrtc, &stime, RTC_FORMAT_BIN) == HAL_OK)
	{
		HAL_RTC_GetDate(hrtc, &sdate, RTC_FORMAT_BIN);
	}
	sprintf(str, "Current Date = %4d-%2d-%2d", sdate.Year + 2000, sdate.Month,
			sdate.Date);
	lcd_show_str(10, 60, 16, str, MAGENTA);
	sprintf(str, "Current Time = %2d:%2d:%2d", stime.Hours,stime.Minutes,stime.Seconds);
	lcd_show_str(10, 80, 16, str, MAGENTA);
}

void HAL_RTCEx_Tamper1EventCallback(RTC_HandleTypeDef *hrtc) {
	lcd_fill(10, 180, 350, 280, WHITE);
	lcd_show_str(10, 180, 16, "Tamper1 is Trigger", RED);
	lcd_show_str(10, 200, 16, "ALL BKP_Reg is cleared", RED);
	RTC_TimeTypeDef stime;
	RTC_DateTypeDef sdate;
	if (HAL_RTCEx_GetTimeStamp(hrtc, &stime, &sdate, RTC_FORMAT_BIN)
			== HAL_OK) {
		char str[40];
		sprintf(str, "%2d:%2d:%2d", stime.Hours, stime.Minutes, stime.Seconds);
		lcd_show_str(10, 220, 16, str, MAGENTA);
	}

}


void RTC_SaveToBKP(){
	RTC_TimeTypeDef stime;
	RTC_DateTypeDef sdate;
	char str[40];
	if (HAL_RTC_GetTime(&hrtc, &stime, RTC_FORMAT_BIN) == HAL_OK) {
		HAL_RTC_GetDate(&hrtc, &sdate, RTC_FORMAT_BIN);

		HAL_RTCEx_BKUPWrite(&hrtc, RTC_BKP_DR1, 0x01);
		HAL_RTCEx_BKUPWrite(&hrtc, RTC_BKP_DR2, stime.Hours);
		HAL_RTCEx_BKUPWrite(&hrtc, RTC_BKP_DR3, stime.Minutes);
		HAL_RTCEx_BKUPWrite(&hrtc, RTC_BKP_DR4, stime.Seconds);

		sprintf(str, "Current Time = %2d:%2d:%2d", stime.Hours, stime.Minutes,
				stime.Seconds);
		lcd_show_str(10, 180, 16, str, RED);
		lcd_show_str(10, 200, 16, "RTC_SaveToBKP", RED);
	}
}

void RTC_ReadBKP() {
	uint32_t regValue;
	char str[40];
	regValue = HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR0);
	sprintf(str, "Reset RTC,RTC_BKP_DR0 = %lu", regValue);
	lcd_show_str(10, 180, 16, str, RED);
	regValue = HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR1);
	sprintf(str, "Time is Saved,RTC_BKP_DR1= %lu", regValue);
	lcd_show_str(10, 200, 16, str, RED);
	regValue = HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR2);
	sprintf(str, "RTC.Hours,RTC_BKP_DR2 = %lu", regValue);
	lcd_show_str(10, 220, 16, str, RED);
	regValue = HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR3);
	sprintf(str, "RTC.Minutes,RTC_BKP_DR3 = %lu", regValue);
	lcd_show_str(10, 240, 16, str, RED);
	regValue = HAL_RTCEx_BKUPRead(&hrtc, RTC_BKP_DR4);
	sprintf(str, "RTC.Seconds,RTC_BKP_DR4 = %lu", regValue);
	lcd_show_str(10, 260, 16, str, RED);

}
/* USER CODE END 4 */

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
